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PartsTable / COMPONENT / 2F9864
2F9864 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.188 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNS, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-222-7205, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2F9864
NSN: 5310-00-222-7205
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.188 INCHES NOMINAL IN
thread_class2B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch24
NSN5310-00-222-7205
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2F9864 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT HEIGHT: 0.188 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES: UNS
•
BEARING SURFACE TYPE: FLAT
•
THREAD QUANTITY PER INCH: 24
•
THREAD CLASS: 2B
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.188 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNS
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH24
THREAD CLASS2B
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
48620Interchangeable
interchangeable cross-reference
interchangeable
9967Interchangeable
interchangeable cross-reference
interchangeable
A1611Interchangeable
interchangeable cross-reference
interchangeable
GLA43761AInterchangeable
interchangeable cross-reference
interchangeable
43761Interchangeable
interchangeable cross-reference
interchangeable
742264Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2F9864?
2F9864 is a NUT,PLAIN,HEXAGON.
What parts can replace 2F9864?
There are 17 known substitutes for 2F9864: 48620, 9967, A1611 and 14 more. Substitute compatibility should be verified for your specific system.
Is 2F9864 still available?
2F9864 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026